Pith Number

pith:CQQRZ77Y

pith:2018:CQQRZ77YOS7SINQ5MASG3E6SCW

not attested not anchored not stored refs pending

The first high-resolution observations of 37.7-, 38.3- and 38.5-GHz methanol masers

(2) CSIRO Astronomy, (3) University of Sydney, (4) Ural Federal University), Andrej Sobolev (4) ((1) University of Tasmania, Jim Caswell (2), Maxim Voronkov (2), Shari Breen (3), Simon Ellingsen (1), Space Science

arxiv:1808.02143 v1 · 2018-08-06 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQQRZ77YOS7SINQ5MASG3E6SCW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:08:05.699456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14211cfff874bf24361d60246d93d2159f25e770a3e0a9e1373e6ff38f1f74e5

Aliases

arxiv: 1808.02143 · arxiv_version: 1808.02143v1 · doi: 10.48550/arxiv.1808.02143 · pith_short_12: CQQRZ77YOS7S · pith_short_16: CQQRZ77YOS7SINQ5 · pith_short_8: CQQRZ77Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CQQRZ77YOS7SINQ5MASG3E6SCW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 14211cfff874bf24361d60246d93d2159f25e770a3e0a9e1373e6ff38f1f74e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb6e626d7e0091e90c66ba8231619f132575ca5a920965b9bd786007f5dcfab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-06T22:44:26Z",
    "title_canon_sha256": "c707a596200b04c3c8ad3e59beaecaea4e97a01f9916bcd5e1eb17db3939cab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02143",
    "kind": "arxiv",
    "version": 1
  }
}